What was found
(CAN) CABIN ALT CAUTION MESSAGE. AIRCRAFT DIVERTED. CONTROLLER PREVIOUSLY DEFERRED. FOLLOWED QRH, UNABLE TO CONTROL CABIN PRESSURE. EMERGENCY DECLARED AS A PRECAUTION.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(CAN) CABIN ALT CAUTION MESSAGE. AIRCRAFT DIVERTED. CONTROLLER PREVIOUSLY DEFERRED. FOLLOWED QRH, UNABLE TO CONTROL CABIN PRESSURE. EMERGENCY DECLARED AS A PRECAUTION.